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<h3>
Marge Bot pushed to branch master
at <a href="https://gitlab.haskell.org/ghc/ghc">Glasgow Haskell Compiler / GHC</a>
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<h4>
Commits:
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<strong><a href="https://gitlab.haskell.org/ghc/ghc/commit/4e22826716dc0d3b4ab8bdd538c569a280cd8083">4e228267</a></strong>
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<span>by Ömer Sinan Ağacan</span>
<i>at 2019-04-25T18:35:09Z</i>
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<pre class="commit-message" style="white-space: pre-wrap; margin: 0;">Minor RTS refactoring:
- Remove redundant casting in evacuate_static_object
- Remove redundant parens in STATIC_LINK
- Fix a typo in GC.c
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<h4>3 changed files:</h4>
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<a href="#aa19e824b3a8c24a7bf37f8352997022b14a5a0c">
includes/rts/storage/ClosureMacros.h
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rts/sm/Evac.c
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<a href="#6477e10756faf038741e63d1ad499a1df809fe10">
rts/sm/GC.c
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<h4>Changes:</h4>
<li id="aa19e824b3a8c24a7bf37f8352997022b14a5a0c">
<a href="https://gitlab.haskell.org/ghc/ghc/commit/4e22826716dc0d3b4ab8bdd538c569a280cd8083#aa19e824b3a8c24a7bf37f8352997022b14a5a0c"><strong>includes/rts/storage/ClosureMacros.h</strong></a>
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<td class="line_content match " style="padding-left: 0.5em; padding-right: 0.5em; color: rgba(0,0,0,0.3);" bgcolor="#fafafa">@@ -184,8 +184,8 @@ STATIC_LINK(const StgInfoTable *info, StgClosure *p)</td>
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184
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<pre style="margin: 0;"> <span id="LC184" class="line" lang="c"> <span class="k" style="font-weight: 600;">case</span> <span class="n" style="color: #333;">IND_STATIC</span><span class="p">:</span></span>
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185
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<pre style="margin: 0;"> <span id="LC185" class="line" lang="c"> <span class="k" style="font-weight: 600;">return</span> <span class="n" style="color: #333;">IND_STATIC_LINK</span><span class="p">(</span><span class="n" style="color: #333;">p</span><span class="p">);</span></span>
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186
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<pre style="margin: 0;"> <span id="LC186" class="line" lang="c"> <span class="nl">default:</span></span>
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187
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<pre style="margin: 0;">-<span id="LC187" class="line" lang="c"> <span class="k" style="font-weight: 600;">return</span> <span class="o" style="font-weight: 600;">&</span><span class="p"><span class="idiff left">(</span></span><span class="n" style="color: #333;"><span class="idiff">p</span></span><span class="p"><span class="idiff right">)</span></span><span class="o" style="font-weight: 600;">-></span><span class="n" style="color: #333;">payload</span><span class="p">[</span><span class="n" style="color: #333;">info</span><span class="o" style="font-weight: 600;">-></span><span class="n" style="color: #333;">layout</span><span class="p">.</span><span class="n" style="color: #333;">payload</span><span class="p">.</span><span class="n" style="color: #333;">ptrs</span> <span class="o" style="font-weight: 600;">+</span></span>
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188
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<pre style="margin: 0;">-<span id="LC188" class="line" lang="c"> <span class="idiff left right"> </span><span class="n" style="color: #333;">info</span><span class="o" style="font-weight: 600;">-></span><span class="n" style="color: #333;">layout</span><span class="p">.</span><span class="n" style="color: #333;">payload</span><span class="p">.</span><span class="n" style="color: #333;">nptrs</span><span class="p">];</span></span>
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<pre style="margin: 0;">+<span id="LC187" class="line" lang="c"> <span class="k" style="font-weight: 600;">return</span> <span class="o" style="font-weight: 600;">&</span><span class="n" style="color: #333;"><span class="idiff left right">p</span></span><span class="o" style="font-weight: 600;">-></span><span class="n" style="color: #333;">payload</span><span class="p">[</span><span class="n" style="color: #333;">info</span><span class="o" style="font-weight: 600;">-></span><span class="n" style="color: #333;">layout</span><span class="p">.</span><span class="n" style="color: #333;">payload</span><span class="p">.</span><span class="n" style="color: #333;">ptrs</span> <span class="o" style="font-weight: 600;">+</span></span>
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<pre style="margin: 0;">+<span id="LC188" class="line" lang="c"> <span class="n" style="color: #333;">info</span><span class="o" style="font-weight: 600;">-></span><span class="n" style="color: #333;">layout</span><span class="p">.</span><span class="n" style="color: #333;">payload</span><span class="p">.</span><span class="n" style="color: #333;">nptrs</span><span class="p">];</span></span>
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189
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<pre style="margin: 0;"> <span id="LC189" class="line" lang="c"> <span class="p">}</span></span>
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<pre style="margin: 0;"> <span id="LC190" class="line" lang="c"><span class="p">}</span></span>
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<pre style="margin: 0;"> <span id="LC191" class="line" lang="c"></span>
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<a href="https://gitlab.haskell.org/ghc/ghc/commit/4e22826716dc0d3b4ab8bdd538c569a280cd8083#37a93df244a7789fddf557443b6398d06763e9cc"><strong>rts/sm/Evac.c</strong></a>
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<td class="diff-line-num unfold js-unfold old_line" data-linenumber="333" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">...</td>
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<td class="line_content match " style="padding-left: 0.5em; padding-right: 0.5em; color: rgba(0,0,0,0.3);" bgcolor="#fafafa">@@ -333,7 +333,7 @@ evacuate_static_object (StgClosure **link_field, StgClosure *q)</td>
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<pre style="margin: 0;"> <span id="LC333" class="line" lang="c"> <span class="n" style="color: #333;">StgWord</span> <span class="n" style="color: #333;">link</span> <span class="o" style="font-weight: 600;">=</span> <span class="p">(</span><span class="n" style="color: #333;">StgWord</span><span class="p">)</span><span class="o" style="font-weight: 600;">*</span><span class="n" style="color: #333;">link_field</span><span class="p">;</span></span>
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<pre style="margin: 0;"> <span id="LC334" class="line" lang="c"></span>
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<pre style="margin: 0;"> <span id="LC335" class="line" lang="c"> <span class="c1" style="color: #998; font-style: italic;">// See Note [STATIC_LINK fields] for how the link field bits work</span></span>
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<pre style="margin: 0;">-<span id="LC336" class="line" lang="c"> <span class="k" style="font-weight: 600;">if</span> <span class="p">(((<span class="idiff left">(</span></span><span class="n" style="color: #333;"><span class="idiff">StgWord</span></span><span class="p"><span class="idiff">)(</span></span><span class="n" style="color: #333;"><span class="idiff">link</span></span><span class="p"><span class="idiff">)</span></span><span class="o" style="font-weight: 600;"><span class="idiff right">&</span></span><span class="n" style="color: #333;">STATIC_BITS</span><span class="p">)</span> <span class="o" style="font-weight: 600;">|</span> <span class="n" style="color: #333;">prev_static_flag</span><span class="p">)</span> <span class="o" style="font-weight: 600;">!=</span> <span class="mi" style="color: #099;">3</span><span class="p">)</span> <span class="p">{</span></span>
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<pre style="margin: 0;">+<span id="LC336" class="line" lang="c"> <span class="k" style="font-weight: 600;">if</span> <span class="p">(((</span><span class="n" style="color: #333;"><span class="idiff left">link</span></span><span class="idiff"> </span><span class="o" style="font-weight: 600;"><span class="idiff">&</span></span><span class="idiff right"> </span><span class="n" style="color: #333;">STATIC_BITS</span><span class="p">)</span> <span class="o" style="font-weight: 600;">|</span> <span class="n" style="color: #333;">prev_static_flag</span><span class="p">)</span> <span class="o" style="font-weight: 600;">!=</span> <span class="mi" style="color: #099;">3</span><span class="p">)</span> <span class="p">{</span></span>
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337
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<pre style="margin: 0;"> <span id="LC337" class="line" lang="c"> <span class="n" style="color: #333;">StgWord</span> <span class="n" style="color: #333;">new_list_head</span> <span class="o" style="font-weight: 600;">=</span> <span class="p">(</span><span class="n" style="color: #333;">StgWord</span><span class="p">)</span><span class="n" style="color: #333;">q</span> <span class="o" style="font-weight: 600;">|</span> <span class="n" style="color: #333;">static_flag</span><span class="p">;</span></span>
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<pre style="margin: 0;"> <span id="LC338" class="line" lang="c"><span class="cp" style="color: #999; font-weight: 600;">#if !defined(THREADED_RTS)</span></span>
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<pre style="margin: 0;"> <span id="LC339" class="line" lang="c"> <span class="o" style="font-weight: 600;">*</span><span class="n" style="color: #333;">link_field</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">gct</span><span class="o" style="font-weight: 600;">-></span><span class="n" style="color: #333;">static_objects</span><span class="p">;</span></span>
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<a href="https://gitlab.haskell.org/ghc/ghc/commit/4e22826716dc0d3b4ab8bdd538c569a280cd8083#6477e10756faf038741e63d1ad499a1df809fe10"><strong>rts/sm/GC.c</strong></a>
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<td class="line_content match " style="padding-left: 0.5em; padding-right: 0.5em; color: rgba(0,0,0,0.3);" bgcolor="#fafafa">@@ -281,7 +281,7 @@ GarbageCollect (uint32_t collect_gen,</td>
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<pre style="margin: 0;"> <span id="LC281" class="line" lang="c"> <span class="c1" style="color: #998; font-style: italic;">// lose locality by moving cached data into another CPU's cache</span></span>
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<pre style="margin: 0;"> <span id="LC282" class="line" lang="c"> <span class="c1" style="color: #998; font-style: italic;">// (this effect can be quite significant).</span></span>
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<pre style="margin: 0;"> <span id="LC283" class="line" lang="c"> <span class="c1" style="color: #998; font-style: italic;">//</span></span>
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<pre style="margin: 0;">-<span id="LC284" class="line" lang="c"> <span class="c1" style="color: #998; font-style: italic;">// We could have a more complex way to deter<span class="idiff left right">i</span>mine whether to do</span></span>
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<pre style="margin: 0;">+<span id="LC284" class="line" lang="c"> <span class="c1" style="color: #998; font-style: italic;">// We could have a more complex way to determine whether to do</span></span>
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<pre style="margin: 0;"> <span id="LC285" class="line" lang="c"> <span class="c1" style="color: #998; font-style: italic;">// work stealing or not, e.g. it might be a good idea to do it</span></span>
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<pre style="margin: 0;"> <span id="LC286" class="line" lang="c"> <span class="c1" style="color: #998; font-style: italic;">// if the heap is big. For now, we just turn it on or off with</span></span>
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<pre style="margin: 0;"> <span id="LC287" class="line" lang="c"> <span class="c1" style="color: #998; font-style: italic;">// a flag.</span></span>
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